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WorksheetsCytokinins and Gibberellin
Total questions: 10
Worksheet time: 5mins
What is bolting?
A. Internode elongation
B. Rooting
C. Shooting
D. Shoot apical meristem
Which of the following plant hormone is responsible for seed germination?
A. Auxin
B. Gibberellin
C. Ethylene
D. Abscisic acid
Which of these can prevent the falling of leaves?
(a) abscisic acid
(b) cytokinins
(c) auxin
(d) florigen
Name the first naturally occurring cytokines.
A. Neoxanthin
B. Xanthoxin
C. Zeatin
D. Isopentenyl adenine
This is not a function of gibberellins
(a) promote dormancy
(b) promote cell elongation
(c) promote parthenocarpic fruit formation
(d) promote elongation of internodes
Elongation or lengthening of rosette plants is obtained by treating it with
(a) cytokinin
(b) gibberellin
(c) zeatin
(d) auxin
This is capable of delaying yellowing of leaves
(a) auxins
(b) ABA
(c) cytokinins
(d) gibberellins
___________ is a coconut milk factor
(a) cytokinin
(b) morphactin
(c) auxin
(d) none of these
Gibberellins were named after a fungus known as
(a) Gibberella acuminata
(b) Gibberella africana
(c) Gibberella fujikuroi
(d) Gibberella gaditijirrii
This causes delay in senescence
(a) ascorbic acid
(b) gibberellins
(c) auxins
(d) cytokinins
